/Engine/Plugins/Slate/SlateScripting/Source/SlateScriptingCommands/Public/UICommandsScriptingSubsystem.h
Retrieves the list of names for all contexts currently registered in the subsystem. This does not check whether the contexts are bound to any UI Command List.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="Editor Scripting | Commands | Contexts") [TArray](API\Runtime\Core\Containers\TArray)< [FName](API\Runtime\Core\UObject\FName) > GetAvailableContexts() const